Product Description
Karcher HDS 4.0/20-4 Ec Premium Steam Hot Water Pressure Washer | 1.109-159.0
The Karcher Mojave HDS 4.0/20-4 Ec Premium delivers powerful hot water and steam cleaning performance in a durable industrial frame. Designed for demanding commercial environments, this unit provides high heat, strong flow, and reliable daily operation.
Steam mode increases degreasing effectiveness, improves sanitizing capability, and reduces water usage while minimizing surface damage.
Browse hot water pressure washers, shop Karcher pressure washer accessories, or stock up on pressure washer chemicals.
Mojave Series Advantages
- 91% burner efficiency for maximum heat output
- Temperature rise greater than 135°F
- Steam stage up to 311°F
- Industrial 4-pole motor designed for voltage stability
- Large 10 gallon diesel tank for extended operation
- Heavy-duty cage frame with 12 inch non-flat wheels
- Locking casters and crane hook for mobility
- Dual water filtration system
- Stainless steel corrosion-resistant side panels
- Hour meter and LED status indicators
- Integrated tool storage
Premium Class Features
- Steam stage included
- Servo Control pressure adjustment at the trigger
- EASY!Force trigger gun reduces operator fatigue
- EASY!Lock quick-connect accessory system
Best For
- Fleet washing and equipment cleaning
- Industrial degreasing
- Food and agriculture sanitation
- Facilities requiring lower PSI with higher flow and heat
Not Ideal For
- Facilities without 460V 3-phase power
- Light-duty residential applications
Recommended Pressure Washer Chemicals
- 9.803-744.0 - Concrete Cleaner
- 8.698-225.0 - Tire and Rim Cleaner
- 8.698-221.0 - Vehicle Pre-Soak
- 9.803-742.0 - Coil Descaler
- 9.556-010.0 - Pump and Coil Protectant Concentrate
Technical Specifications
- Manufacturer Part Number: 1.109-159.0
- Model: HDS 4.0/20-4 Ec Premium
- Flow Rate: 4.0 GPM
- Operating Pressure: 2000 PSI
- Electrical: 460V / 3-phase
- Motor: 4-pole
- Amps: 12 A
- Steam Mode: Yes
- Pressure Adjustment: Servo Control
- Ship Weight: 550 lb
- Dimensions (L x W x H): 50 x 40 x 50 in
What's Included
- EASY!Force trigger gun
- 41 inch spray lance
- 50 ft EASY!Lock Longlife hose with ANTI!Twist connection
- Power nozzle
- Steam nozzle
- Servo Control dial
Optional Accessories
- 8.750-685.0 - 100 ft pivot reel
- 9.808-276.0 - Hose reel bracket kit (hose reel not included)
Manuals and Documentation
Let us confirm the proper voltage and configuration for your facility before ordering.
Call 956-772-4842 or email sales@monsterjanitorial.com
Manufacturer Warranty
Karcher commercial hot water pressure washers are built for professional daily use. Warranty service is handled through authorized service channels. Keep your serial number and proof of purchase.
Why Choose Monster Janitorial?
- Authorized Karcher distributor
- OEM-quality equipment, parts, and accessories
- Fast order processing - most in-stock units ship quickly
- Technical support available - tech@monsterjanitorial.com
- 30-Day Returns
Tax-Exempt Purchasing
Tax-exempt? Create an account and email your certificate to sales@monsterjanitorial.com.